- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/18 - Estimation of position or speed
Patent holdings for IPC class H02P 21/18
Total number of patents in this class: 879
10-year publication summary
|
22
|
29
|
77
|
98
|
93
|
94
|
83
|
100
|
124
|
91
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46397 |
66 |
| Texas Instruments Incorporated | 19455 |
17 |
| Canon Inc. | 40352 |
16 |
| Robert Bosch GmbH | 42813 |
16 |
| Hyundai Motor Company | 22257 |
16 |
| LG Electronics Inc. | 73531 |
15 |
| Schaeffler Technologies AG & Co. KG | 9973 |
12 |
| Toshiba Corporation | 12472 |
11 |
| ABB Schweiz AG | 7039 |
11 |
| Mitsubishi Electric Mobility Corporation | 1075 |
11 |
| Deere & Company | 7647 |
10 |
| Hitachi, Ltd. | 15556 |
10 |
| Konica Minolta, Inc. | 8784 |
10 |
| Kinetic Technologies International Holdings LP | 68 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1464 |
9 |
| Microchip Technology Incorporated | 2901 |
9 |
| Steering Solutions IP Holding Corporation | 929 |
9 |
| Zhejiang University | 3183 |
9 |
| GM Global Technology Operations LLC | 15150 |
8 |
| Infineon Technologies AG | 8250 |
8 |
| Other owners | 596 |